A resinous excretion of an insect, Laccifer (Tachardia) lacca (family Coccidae). The insects suck the juice of various resiniferous Asiatic (chiefly Indian) trees and excrete and deposit “stick-lac.” S. softens at a low temperature. It has many nonmedicinal uses and is also used to coat confections and tablets and in dental materials, e.g., impression compound and denture base plates. SYN: lacca.

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shel·lac (shə-lakґ) a product of lac from India, produced on various plants by an insect, Laccifer lacca Kerr (Coccidae); sometimes used in dentistry and surgery, and in coating confections and medicinal tablets.

Medical dictionary. 2011.

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  • Shellac — Shel lac , Shell lac Shell lac , n. [Shell + lac a resinous substance; cf. D. shellak, G. schellack.] 1. Lac which has been reduced to a thin crust. See the Note under 2d {Lac}. [1913 Webster] 2. A solution of shellac[1] in alcohol or other… …   The Collaborative International Dictionary of English

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  • shellac — or shellack [shə lak′] n. [ SHEL(L) + LAC, used as transl. of Fr laque en écailles, lac in fine sheets] 1. refined lac, a resin usually produced in thin, flaky layers or shells and used in making varnish, phonograph records, insulating materials …   English World dictionary

  • shellac — (n.) 1713, from SHELL (Cf. shell) + lac (see LACQUER (Cf. lacquer)). Translates Fr. laque en écailles lac in thin plates. The verb is 1876, from the noun. The slang sense of beat soundly is 1920s, perhaps from the notion of shellac as a finish.… …   Etymology dictionary

  • shellac — ► NOUN ▪ lac resin melted into thin flakes, used for making varnish. ► VERB (shellacked, shellacking) ▪ varnish with shellac. ORIGIN from SHELL(Cf. ↑shelly) + LAC(Cf. ↑lac), translating French …   English terms dictionary

  • Shellac — Pour les articles homonymes, voir Shellac (résine). Shellac Shellac en concert au festival …   Wikipédia en Français

  • shellac — /sheuh lak /, n., v., shellacked, shellacking. n. 1. lac that has been purified and formed into thin sheets, used for making varnish. 2. a varnish (shellac varnish) made by dissolving this material in alcohol or a similar solvent. 3. a phonograph …   Universalium

  • shellac — I. noun Etymology: 1shell + lac Date: 1704 1. purified lac usually prepared in thin orange or yellow flakes by heating and filtering and often bleached white 2. a preparation of lac dissolved usually in alcohol and used chiefly as a wood filler… …   New Collegiate Dictionary

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